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# How do you figure out diameter and circumference?

Updated: 4/28/2022

Wiki User

16y ago

Circumference is pi times diameter. Diameter is circumference divided by pi. Diameter is twice the radius. Radius is half the diameter.

Wiki User

16y ago

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Q: How do you figure out diameter and circumference?
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### How do you figure out the circumference from the diameter?

Multiply the diameter by pi (approximately 3.1416) to find the circumference.

### How do you figure diameter of circle using circumference?

Divide the circumference by pi, and that will give you the diameter.

### How do you figure diameter by circumference?

pi(3.14) divided circumference

### How do you figure out the circumference of a circle with 8 meters diameter?

You multiply the diameter by Pi (about 3.1416). The result is the circumference:8m x 3.1416 = 25.1328 meters circumference

### What is the circumference of the diameter 9 m?

Well the formula for that problem is C=Pi*d or circumference= 3.14 times the diameter. Figure it out from there.

### How do you figure out the diameter if they only show circumference?

Circumference equals pi times the diameter, so you would divide by pi. (3.14159265...)

### How would you figure out the diameter if you had the circumference?

The formula for the circumference (C) of a circle is C = 2&pi;r or C = &pi;D, where r is the radius and D is the diameter. If you know the circumference then C/&pi; = D So just divide the circumference by pi to get the diameter.

### How do you figure out circumference and radius?

The radius of a circle is from the middle to the edge, or half the diameter. The circumference is like the perimeter of the circle, and the formula is pi times the diameter.

### How do you find the diameter of the circumference if a circle?

There is no such thing as "the diameter of the circumference" of a circle. A circle has a diameter, and a circle has a circumference. If you know one, you can always figure out the other one, because they're very tightly connected. Circumference = (diameter) times (pi) Diameter = (circumference) divided by (pi) "pi" = about 3.1415926536 (rounded). You can use 3.14 and your answers will be very close.

### How do you figure out the circumference of a circle?

Take "pi" times the diameter of the circle. Pi = 3.14159 (ALWAYS) If circle has a diameter of 10cm, circumference 31.41cm If circle has a radius of 2inches, the circumference is 12.57 inches. (radius = 2, diameter = 4)

### What is formula to figure the circumference of a circle?

Circumference = 2 x {pi} x radius = {pi} x diameter